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Materiale Plastice
Cite as: Mater. Plast.
https://doi.org/10.37358/Mat.Plast.1964

OSIM Nr. R102356
ISSN Print 0025-5289
ISSN Online 2668-8220
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Materiale Plastice (Mater. Plast.), Year 2008, Volume 45, Issue 2,





Effects of gama-irradiation on PVC/mica Electrical Insulation


Abstract:
This paper presents the effects of high energy irradiation on polyvinylchloride samples, some of them containing filler (1 and 5 % mica). The generation of dipoles as oxygenated radiolysis products modifies electrical behavior of polymer matrix. The presence of mica influences the rate of oxidation by decreasing the progress in the accumulation of oxygenated products. The values of volume resistivity, dielectric constant and loss factors are consequently changed as the mica content differs due to the adsorbent action of filler. Keywords: PVC, mica, irradiation, volume resitivity, dielectric constant, loss factors



Issue: 2008 Volume 45, Issue 2
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